diff options
Diffstat (limited to 'libsanitizer/configure')
| -rwxr-xr-x | libsanitizer/configure | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/libsanitizer/configure b/libsanitizer/configure index a0104d8c2ab..3b61a1f7537 100755 --- a/libsanitizer/configure +++ b/libsanitizer/configure @@ -16539,18 +16539,28 @@ else fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CET support" >&5 +$as_echo_n "checking for CET support... " >&6; } + case "$host" in i[34567]86-*-linux* | x86_64-*-linux*) case "$enable_cet" in default) - # Check if assembler supports CET. + # Check if target supports multi-byte NOPs + # and if assembler supports CET insn. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { + +#if !defined(__SSE2__) +#error target does not support multi-byte NOPs +#else asm ("setssbsy"); +#endif + ; return 0; } @@ -16590,6 +16600,11 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext esac if test x$enable_cet = xyes; then CET_FLAGS="-fcf-protection -mcet" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi EXTRA_CFLAGS="$EXTRA_CFLAGS $CET_FLAGS" |